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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include "v8.h" | 28 #include "v8.h" |
29 | 29 |
30 #if defined(V8_TARGET_ARCH_A64) | 30 #if V8_TARGET_ARCH_A64 |
31 | 31 |
32 #include "bootstrapper.h" | 32 #include "bootstrapper.h" |
33 #include "codegen.h" | 33 #include "codegen.h" |
| 34 #include "cpu-profiler.h" |
34 #include "debug.h" | 35 #include "debug.h" |
35 #include "runtime.h" | 36 #include "runtime.h" |
36 | 37 |
37 namespace v8 { | 38 namespace v8 { |
38 namespace internal { | 39 namespace internal { |
39 | 40 |
40 // Define a fake double underscore to use with the ASM_UNIMPLEMENTED macros. | 41 // Define a fake double underscore to use with the ASM_UNIMPLEMENTED macros. |
41 #define __ | 42 #define __ |
42 | 43 |
43 | 44 |
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1524 SmiTag(scratch1, length); | 1525 SmiTag(scratch1, length); |
1525 Str(scratch2, FieldMemOperand(string, HeapObject::kMapOffset)); | 1526 Str(scratch2, FieldMemOperand(string, HeapObject::kMapOffset)); |
1526 | 1527 |
1527 Mov(scratch2, String::kEmptyHashField); | 1528 Mov(scratch2, String::kEmptyHashField); |
1528 Str(scratch1, FieldMemOperand(string, String::kLengthOffset)); | 1529 Str(scratch1, FieldMemOperand(string, String::kLengthOffset)); |
1529 Str(scratch2, FieldMemOperand(string, String::kHashFieldOffset)); | 1530 Str(scratch2, FieldMemOperand(string, String::kHashFieldOffset)); |
1530 } | 1531 } |
1531 | 1532 |
1532 | 1533 |
1533 int MacroAssembler::ActivationFrameAlignment() { | 1534 int MacroAssembler::ActivationFrameAlignment() { |
1534 #if defined(V8_HOST_ARCH_A64) | 1535 #if V8_HOST_ARCH_A64 |
1535 // Running on the real platform. Use the alignment as mandated by the local | 1536 // Running on the real platform. Use the alignment as mandated by the local |
1536 // environment. | 1537 // environment. |
1537 // Note: This will break if we ever start generating snapshots on one ARM | 1538 // Note: This will break if we ever start generating snapshots on one ARM |
1538 // platform for another ARM platform with a different alignment. | 1539 // platform for another ARM platform with a different alignment. |
1539 return OS::ActivationFrameAlignment(); | 1540 return OS::ActivationFrameAlignment(); |
1540 #else // defined(V8_HOST_ARCH_ARM) | 1541 #else // V8_HOST_ARCH_A64 |
1541 // If we are using the simulator then we should always align to the expected | 1542 // If we are using the simulator then we should always align to the expected |
1542 // alignment. As the simulator is used to generate snapshots we do not know | 1543 // alignment. As the simulator is used to generate snapshots we do not know |
1543 // if the target platform will need alignment, so this is controlled from a | 1544 // if the target platform will need alignment, so this is controlled from a |
1544 // flag. | 1545 // flag. |
1545 return FLAG_sim_stack_alignment; | 1546 return FLAG_sim_stack_alignment; |
1546 #endif // defined(V8_HOST_ARCH_A64) | 1547 #endif // V8_HOST_ARCH_A64 |
1547 } | 1548 } |
1548 | 1549 |
1549 | 1550 |
1550 void MacroAssembler::CallCFunction(ExternalReference function, | 1551 void MacroAssembler::CallCFunction(ExternalReference function, |
1551 int num_of_reg_args) { | 1552 int num_of_reg_args) { |
1552 CallCFunction(function, num_of_reg_args, 0); | 1553 CallCFunction(function, num_of_reg_args, 0); |
1553 } | 1554 } |
1554 | 1555 |
1555 | 1556 |
1556 void MacroAssembler::CallCFunction(ExternalReference function, | 1557 void MacroAssembler::CallCFunction(ExternalReference function, |
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4693 } | 4694 } |
4694 } | 4695 } |
4695 | 4696 |
4696 | 4697 |
4697 #undef __ | 4698 #undef __ |
4698 | 4699 |
4699 | 4700 |
4700 } } // namespace v8::internal | 4701 } } // namespace v8::internal |
4701 | 4702 |
4702 #endif // V8_TARGET_ARCH_A64 | 4703 #endif // V8_TARGET_ARCH_A64 |
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